"Ellery Queen"

a.k.a.

Frederick Dannay & Manfred Lee

Mystery Books: Articles on Ellery Queen http://www.mysterynet.com/books/testimony/0003.shtml

Biography.com http://search.biography.com/print_record.pl?id=14051

Ellery Queen website http://neptune.spaceports.com/~queen/Whodunit_1.html